1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4 #ifndef _IXGBE_H_
5 #define _IXGBE_H_
6
7 #include <linux/bitops.h>
8 #include <linux/types.h>
9 #include <linux/pci.h>
10 #include <linux/netdevice.h>
11 #include <linux/cpumask.h>
12 #include <linux/aer.h>
13 #include <linux/if_vlan.h>
14 #include <linux/jiffies.h>
15 #include <linux/phy.h>
16
17 #include <linux/timecounter.h>
18 #include <linux/net_tstamp.h>
19 #include <linux/ptp_clock_kernel.h>
20
21 #include "ixgbe_type.h"
22 #include "ixgbe_common.h"
23 #include "ixgbe_dcb.h"
24 #if IS_ENABLED(CONFIG_FCOE)
25 #define IXGBE_FCOE
26 #include "ixgbe_fcoe.h"
27 #endif /* IS_ENABLED(CONFIG_FCOE) */
28 #ifdef CONFIG_IXGBE_DCA
29 #include <linux/dca.h>
30 #endif
31 #include "ixgbe_ipsec.h"
32
33 #include <net/xdp.h>
34
35 /* common prefix used by pr_<> macros */
36 #undef pr_fmt
37 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
38
39 /* TX/RX descriptor defines */
40 #define IXGBE_DEFAULT_TXD 512
41 #define IXGBE_DEFAULT_TX_WORK 256
42 #define IXGBE_MAX_TXD 4096
43 #define IXGBE_MIN_TXD 64
44
45 #if (PAGE_SIZE < 8192)
46 #define IXGBE_DEFAULT_RXD 512
47 #else
48 #define IXGBE_DEFAULT_RXD 128
49 #endif
50 #define IXGBE_MAX_RXD 4096
51 #define IXGBE_MIN_RXD 64
52
53 /* flow control */
54 #define IXGBE_MIN_FCRTL 0x40
55 #define IXGBE_MAX_FCRTL 0x7FF80
56 #define IXGBE_MIN_FCRTH 0x600
57 #define IXGBE_MAX_FCRTH 0x7FFF0
58 #define IXGBE_DEFAULT_FCPAUSE 0xFFFF
59 #define IXGBE_MIN_FCPAUSE 0
60 #define IXGBE_MAX_FCPAUSE 0xFFFF
61
62 /* Supported Rx Buffer Sizes */
63 #define IXGBE_RXBUFFER_256 256 /* Used for skb receive header */
64 #define IXGBE_RXBUFFER_1536 1536
65 #define IXGBE_RXBUFFER_2K 2048
66 #define IXGBE_RXBUFFER_3K 3072
67 #define IXGBE_RXBUFFER_4K 4096
68 #define IXGBE_MAX_RXBUFFER 16384 /* largest size for a single descriptor */
69
70 /* Attempt to maximize the headroom available for incoming frames. We
71 * use a 2K buffer for receives and need 1536/1534 to store the data for
72 * the frame. This leaves us with 512 bytes of room. From that we need
73 * to deduct the space needed for the shared info and the padding needed
74 * to IP align the frame.
75 *
76 * Note: For cache line sizes 256 or larger this value is going to end
77 * up negative. In these cases we should fall back to the 3K
78 * buffers.
79 */
80 #if (PAGE_SIZE < 8192)
81 #define IXGBE_MAX_2K_FRAME_BUILD_SKB (IXGBE_RXBUFFER_1536 - NET_IP_ALIGN)
82 #define IXGBE_2K_TOO_SMALL_WITH_PADDING \
83 ((NET_SKB_PAD + IXGBE_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IXGBE_RXBUFFER_2K))
84
ixgbe_compute_pad(int rx_buf_len)85 static inline int ixgbe_compute_pad(int rx_buf_len)
86 {
87 int page_size, pad_size;
88
89 page_size = ALIGN(rx_buf_len, PAGE_SIZE / 2);
90 pad_size = SKB_WITH_OVERHEAD(page_size) - rx_buf_len;
91
92 return pad_size;
93 }
94
ixgbe_skb_pad(void)95 static inline int ixgbe_skb_pad(void)
96 {
97 int rx_buf_len;
98
99 /* If a 2K buffer cannot handle a standard Ethernet frame then
100 * optimize padding for a 3K buffer instead of a 1.5K buffer.
101 *
102 * For a 3K buffer we need to add enough padding to allow for
103 * tailroom due to NET_IP_ALIGN possibly shifting us out of
104 * cache-line alignment.
105 */
106 if (IXGBE_2K_TOO_SMALL_WITH_PADDING)
107 rx_buf_len = IXGBE_RXBUFFER_3K + SKB_DATA_ALIGN(NET_IP_ALIGN);
108 else
109 rx_buf_len = IXGBE_RXBUFFER_1536;
110
111 /* if needed make room for NET_IP_ALIGN */
112 rx_buf_len -= NET_IP_ALIGN;
113
114 return ixgbe_compute_pad(rx_buf_len);
115 }
116
117 #define IXGBE_SKB_PAD ixgbe_skb_pad()
118 #else
119 #define IXGBE_SKB_PAD (NET_SKB_PAD + NET_IP_ALIGN)
120 #endif
121
122 /*
123 * NOTE: netdev_alloc_skb reserves up to 64 bytes, NET_IP_ALIGN means we
124 * reserve 64 more, and skb_shared_info adds an additional 320 bytes more,
125 * this adds up to 448 bytes of extra data.
126 *
127 * Since netdev_alloc_skb now allocates a page fragment we can use a value
128 * of 256 and the resultant skb will have a truesize of 960 or less.
129 */
130 #define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256
131
132 /* How many Rx Buffers do we bundle into one write to the hardware ? */
133 #define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */
134
135 #define IXGBE_RX_DMA_ATTR \
136 (DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
137
138 enum ixgbe_tx_flags {
139 /* cmd_type flags */
140 IXGBE_TX_FLAGS_HW_VLAN = 0x01,
141 IXGBE_TX_FLAGS_TSO = 0x02,
142 IXGBE_TX_FLAGS_TSTAMP = 0x04,
143
144 /* olinfo flags */
145 IXGBE_TX_FLAGS_CC = 0x08,
146 IXGBE_TX_FLAGS_IPV4 = 0x10,
147 IXGBE_TX_FLAGS_CSUM = 0x20,
148 IXGBE_TX_FLAGS_IPSEC = 0x40,
149
150 /* software defined flags */
151 IXGBE_TX_FLAGS_SW_VLAN = 0x80,
152 IXGBE_TX_FLAGS_FCOE = 0x100,
153 };
154
155 /* VLAN info */
156 #define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000
157 #define IXGBE_TX_FLAGS_VLAN_PRIO_MASK 0xe0000000
158 #define IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT 29
159 #define IXGBE_TX_FLAGS_VLAN_SHIFT 16
160
161 #define IXGBE_MAX_VF_MC_ENTRIES 30
162 #define IXGBE_MAX_VF_FUNCTIONS 64
163 #define IXGBE_MAX_VFTA_ENTRIES 128
164 #define MAX_EMULATION_MAC_ADDRS 16
165 #define IXGBE_MAX_PF_MACVLANS 15
166 #define VMDQ_P(p) ((p) + adapter->ring_feature[RING_F_VMDQ].offset)
167 #define IXGBE_82599_VF_DEVICE_ID 0x10ED
168 #define IXGBE_X540_VF_DEVICE_ID 0x1515
169
170 struct vf_data_storage {
171 struct pci_dev *vfdev;
172 unsigned char vf_mac_addresses[ETH_ALEN];
173 u16 vf_mc_hashes[IXGBE_MAX_VF_MC_ENTRIES];
174 u16 num_vf_mc_hashes;
175 bool clear_to_send;
176 bool pf_set_mac;
177 u16 pf_vlan; /* When set, guest VLAN config not allowed. */
178 u16 pf_qos;
179 u16 tx_rate;
180 u8 spoofchk_enabled;
181 bool rss_query_enabled;
182 u8 trusted;
183 int xcast_mode;
184 unsigned int vf_api;
185 };
186
187 enum ixgbevf_xcast_modes {
188 IXGBEVF_XCAST_MODE_NONE = 0,
189 IXGBEVF_XCAST_MODE_MULTI,
190 IXGBEVF_XCAST_MODE_ALLMULTI,
191 IXGBEVF_XCAST_MODE_PROMISC,
192 };
193
194 struct vf_macvlans {
195 struct list_head l;
196 int vf;
197 bool free;
198 bool is_macvlan;
199 u8 vf_macvlan[ETH_ALEN];
200 };
201
202 #define IXGBE_MAX_TXD_PWR 14
203 #define IXGBE_MAX_DATA_PER_TXD (1u << IXGBE_MAX_TXD_PWR)
204
205 /* Tx Descriptors needed, worst case */
206 #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IXGBE_MAX_DATA_PER_TXD)
207 #define DESC_NEEDED (MAX_SKB_FRAGS + 4)
208
209 /* wrapper around a pointer to a socket buffer,
210 * so a DMA handle can be stored along with the buffer */
211 struct ixgbe_tx_buffer {
212 union ixgbe_adv_tx_desc *next_to_watch;
213 unsigned long time_stamp;
214 union {
215 struct sk_buff *skb;
216 struct xdp_frame *xdpf;
217 };
218 unsigned int bytecount;
219 unsigned short gso_segs;
220 __be16 protocol;
221 DEFINE_DMA_UNMAP_ADDR(dma);
222 DEFINE_DMA_UNMAP_LEN(len);
223 u32 tx_flags;
224 };
225
226 struct ixgbe_rx_buffer {
227 union {
228 struct {
229 struct sk_buff *skb;
230 dma_addr_t dma;
231 struct page *page;
232 __u32 page_offset;
233 __u16 pagecnt_bias;
234 };
235 struct {
236 bool discard;
237 struct xdp_buff *xdp;
238 };
239 };
240 };
241
242 struct ixgbe_queue_stats {
243 u64 packets;
244 u64 bytes;
245 };
246
247 struct ixgbe_tx_queue_stats {
248 u64 restart_queue;
249 u64 tx_busy;
250 u64 tx_done_old;
251 };
252
253 struct ixgbe_rx_queue_stats {
254 u64 rsc_count;
255 u64 rsc_flush;
256 u64 non_eop_descs;
257 u64 alloc_rx_page;
258 u64 alloc_rx_page_failed;
259 u64 alloc_rx_buff_failed;
260 u64 csum_err;
261 };
262
263 #define IXGBE_TS_HDR_LEN 8
264
265 enum ixgbe_ring_state_t {
266 __IXGBE_RX_3K_BUFFER,
267 __IXGBE_RX_BUILD_SKB_ENABLED,
268 __IXGBE_RX_RSC_ENABLED,
269 __IXGBE_RX_CSUM_UDP_ZERO_ERR,
270 __IXGBE_RX_FCOE,
271 __IXGBE_TX_FDIR_INIT_DONE,
272 __IXGBE_TX_XPS_INIT_DONE,
273 __IXGBE_TX_DETECT_HANG,
274 __IXGBE_HANG_CHECK_ARMED,
275 __IXGBE_TX_XDP_RING,
276 __IXGBE_TX_DISABLED,
277 };
278
279 #define ring_uses_build_skb(ring) \
280 test_bit(__IXGBE_RX_BUILD_SKB_ENABLED, &(ring)->state)
281
282 struct ixgbe_fwd_adapter {
283 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
284 struct net_device *netdev;
285 unsigned int tx_base_queue;
286 unsigned int rx_base_queue;
287 int pool;
288 };
289
290 #define check_for_tx_hang(ring) \
291 test_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
292 #define set_check_for_tx_hang(ring) \
293 set_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
294 #define clear_check_for_tx_hang(ring) \
295 clear_bit(__IXGBE_TX_DETECT_HANG, &(ring)->state)
296 #define ring_is_rsc_enabled(ring) \
297 test_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
298 #define set_ring_rsc_enabled(ring) \
299 set_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
300 #define clear_ring_rsc_enabled(ring) \
301 clear_bit(__IXGBE_RX_RSC_ENABLED, &(ring)->state)
302 #define ring_is_xdp(ring) \
303 test_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
304 #define set_ring_xdp(ring) \
305 set_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
306 #define clear_ring_xdp(ring) \
307 clear_bit(__IXGBE_TX_XDP_RING, &(ring)->state)
308 struct ixgbe_ring {
309 struct ixgbe_ring *next; /* pointer to next ring in q_vector */
310 struct ixgbe_q_vector *q_vector; /* backpointer to host q_vector */
311 struct net_device *netdev; /* netdev ring belongs to */
312 struct bpf_prog *xdp_prog;
313 struct device *dev; /* device for DMA mapping */
314 void *desc; /* descriptor ring memory */
315 union {
316 struct ixgbe_tx_buffer *tx_buffer_info;
317 struct ixgbe_rx_buffer *rx_buffer_info;
318 };
319 unsigned long state;
320 u8 __iomem *tail;
321 dma_addr_t dma; /* phys. address of descriptor ring */
322 unsigned int size; /* length in bytes */
323
324 u16 count; /* amount of descriptors */
325
326 u8 queue_index; /* needed for multiqueue queue management */
327 u8 reg_idx; /* holds the special value that gets
328 * the hardware register offset
329 * associated with this ring, which is
330 * different for DCB and RSS modes
331 */
332 u16 next_to_use;
333 u16 next_to_clean;
334
335 unsigned long last_rx_timestamp;
336
337 union {
338 u16 next_to_alloc;
339 struct {
340 u8 atr_sample_rate;
341 u8 atr_count;
342 };
343 };
344
345 u8 dcb_tc;
346 struct ixgbe_queue_stats stats;
347 struct u64_stats_sync syncp;
348 union {
349 struct ixgbe_tx_queue_stats tx_stats;
350 struct ixgbe_rx_queue_stats rx_stats;
351 };
352 u16 rx_offset;
353 struct xdp_rxq_info xdp_rxq;
354 spinlock_t tx_lock; /* used in XDP mode */
355 struct xsk_buff_pool *xsk_pool;
356 u16 ring_idx; /* {rx,tx,xdp}_ring back reference idx */
357 u16 rx_buf_len;
358 } ____cacheline_internodealigned_in_smp;
359
360 enum ixgbe_ring_f_enum {
361 RING_F_NONE = 0,
362 RING_F_VMDQ, /* SR-IOV uses the same ring feature */
363 RING_F_RSS,
364 RING_F_FDIR,
365 #ifdef IXGBE_FCOE
366 RING_F_FCOE,
367 #endif /* IXGBE_FCOE */
368
369 RING_F_ARRAY_SIZE /* must be last in enum set */
370 };
371
372 #define IXGBE_MAX_RSS_INDICES 16
373 #define IXGBE_MAX_RSS_INDICES_X550 63
374 #define IXGBE_MAX_VMDQ_INDICES 64
375 #define IXGBE_MAX_FDIR_INDICES 63 /* based on q_vector limit */
376 #define IXGBE_MAX_FCOE_INDICES 8
377 #define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
378 #define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + 1)
379 #define IXGBE_MAX_XDP_QS (IXGBE_MAX_FDIR_INDICES + 1)
380 #define IXGBE_MAX_L2A_QUEUES 4
381 #define IXGBE_BAD_L2A_QUEUE 3
382 #define IXGBE_MAX_MACVLANS 63
383
384 DECLARE_STATIC_KEY_FALSE(ixgbe_xdp_locking_key);
385
386 struct ixgbe_ring_feature {
387 u16 limit; /* upper limit on feature indices */
388 u16 indices; /* current value of indices */
389 u16 mask; /* Mask used for feature to ring mapping */
390 u16 offset; /* offset to start of feature */
391 } ____cacheline_internodealigned_in_smp;
392
393 #define IXGBE_82599_VMDQ_8Q_MASK 0x78
394 #define IXGBE_82599_VMDQ_4Q_MASK 0x7C
395 #define IXGBE_82599_VMDQ_2Q_MASK 0x7E
396
397 /*
398 * FCoE requires that all Rx buffers be over 2200 bytes in length. Since
399 * this is twice the size of a half page we need to double the page order
400 * for FCoE enabled Rx queues.
401 */
ixgbe_rx_bufsz(struct ixgbe_ring * ring)402 static inline unsigned int ixgbe_rx_bufsz(struct ixgbe_ring *ring)
403 {
404 if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state))
405 return IXGBE_RXBUFFER_3K;
406 #if (PAGE_SIZE < 8192)
407 if (ring_uses_build_skb(ring))
408 return IXGBE_MAX_2K_FRAME_BUILD_SKB;
409 #endif
410 return IXGBE_RXBUFFER_2K;
411 }
412
ixgbe_rx_pg_order(struct ixgbe_ring * ring)413 static inline unsigned int ixgbe_rx_pg_order(struct ixgbe_ring *ring)
414 {
415 #if (PAGE_SIZE < 8192)
416 if (test_bit(__IXGBE_RX_3K_BUFFER, &ring->state))
417 return 1;
418 #endif
419 return 0;
420 }
421 #define ixgbe_rx_pg_size(_ring) (PAGE_SIZE << ixgbe_rx_pg_order(_ring))
422
423 #define IXGBE_ITR_ADAPTIVE_MIN_INC 2
424 #define IXGBE_ITR_ADAPTIVE_MIN_USECS 10
425 #define IXGBE_ITR_ADAPTIVE_MAX_USECS 126
426 #define IXGBE_ITR_ADAPTIVE_LATENCY 0x80
427 #define IXGBE_ITR_ADAPTIVE_BULK 0x00
428
429 struct ixgbe_ring_container {
430 struct ixgbe_ring *ring; /* pointer to linked list of rings */
431 unsigned long next_update; /* jiffies value of last update */
432 unsigned int total_bytes; /* total bytes processed this int */
433 unsigned int total_packets; /* total packets processed this int */
434 u16 work_limit; /* total work allowed per interrupt */
435 u8 count; /* total number of rings in vector */
436 u8 itr; /* current ITR setting for ring */
437 };
438
439 /* iterator for handling rings in ring container */
440 #define ixgbe_for_each_ring(pos, head) \
441 for (pos = (head).ring; pos != NULL; pos = pos->next)
442
443 #define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
444 ? 8 : 1)
445 #define MAX_TX_PACKET_BUFFERS MAX_RX_PACKET_BUFFERS
446
447 /* MAX_Q_VECTORS of these are allocated,
448 * but we only use one per queue-specific vector.
449 */
450 struct ixgbe_q_vector {
451 struct ixgbe_adapter *adapter;
452 #ifdef CONFIG_IXGBE_DCA
453 int cpu; /* CPU for DCA */
454 #endif
455 u16 v_idx; /* index of q_vector within array, also used for
456 * finding the bit in EICR and friends that
457 * represents the vector for this ring */
458 u16 itr; /* Interrupt throttle rate written to EITR */
459 struct ixgbe_ring_container rx, tx;
460
461 struct napi_struct napi;
462 cpumask_t affinity_mask;
463 int numa_node;
464 struct rcu_head rcu; /* to avoid race with update stats on free */
465 char name[IFNAMSIZ + 9];
466
467 /* for dynamic allocation of rings associated with this q_vector */
468 struct ixgbe_ring ring[] ____cacheline_internodealigned_in_smp;
469 };
470
471 #ifdef CONFIG_IXGBE_HWMON
472
473 #define IXGBE_HWMON_TYPE_LOC 0
474 #define IXGBE_HWMON_TYPE_TEMP 1
475 #define IXGBE_HWMON_TYPE_CAUTION 2
476 #define IXGBE_HWMON_TYPE_MAX 3
477
478 struct hwmon_attr {
479 struct device_attribute dev_attr;
480 struct ixgbe_hw *hw;
481 struct ixgbe_thermal_diode_data *sensor;
482 char name[12];
483 };
484
485 struct hwmon_buff {
486 struct attribute_group group;
487 const struct attribute_group *groups[2];
488 struct attribute *attrs[IXGBE_MAX_SENSORS * 4 + 1];
489 struct hwmon_attr hwmon_list[IXGBE_MAX_SENSORS * 4];
490 unsigned int n_hwmon;
491 };
492 #endif /* CONFIG_IXGBE_HWMON */
493
494 /*
495 * microsecond values for various ITR rates shifted by 2 to fit itr register
496 * with the first 3 bits reserved 0
497 */
498 #define IXGBE_MIN_RSC_ITR 24
499 #define IXGBE_100K_ITR 40
500 #define IXGBE_20K_ITR 200
501 #define IXGBE_12K_ITR 336
502
503 /* ixgbe_test_staterr - tests bits in Rx descriptor status and error fields */
ixgbe_test_staterr(union ixgbe_adv_rx_desc * rx_desc,const u32 stat_err_bits)504 static inline __le32 ixgbe_test_staterr(union ixgbe_adv_rx_desc *rx_desc,
505 const u32 stat_err_bits)
506 {
507 return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
508 }
509
ixgbe_desc_unused(struct ixgbe_ring * ring)510 static inline u16 ixgbe_desc_unused(struct ixgbe_ring *ring)
511 {
512 u16 ntc = ring->next_to_clean;
513 u16 ntu = ring->next_to_use;
514
515 return ((ntc > ntu) ? 0 : ring->count) + ntc - ntu - 1;
516 }
517
518 #define IXGBE_RX_DESC(R, i) \
519 (&(((union ixgbe_adv_rx_desc *)((R)->desc))[i]))
520 #define IXGBE_TX_DESC(R, i) \
521 (&(((union ixgbe_adv_tx_desc *)((R)->desc))[i]))
522 #define IXGBE_TX_CTXTDESC(R, i) \
523 (&(((struct ixgbe_adv_tx_context_desc *)((R)->desc))[i]))
524
525 #define IXGBE_MAX_JUMBO_FRAME_SIZE 9728 /* Maximum Supported Size 9.5KB */
526 #ifdef IXGBE_FCOE
527 /* Use 3K as the baby jumbo frame size for FCoE */
528 #define IXGBE_FCOE_JUMBO_FRAME_SIZE 3072
529 #endif /* IXGBE_FCOE */
530
531 #define OTHER_VECTOR 1
532 #define NON_Q_VECTORS (OTHER_VECTOR)
533
534 #define MAX_MSIX_VECTORS_82599 64
535 #define MAX_Q_VECTORS_82599 64
536 #define MAX_MSIX_VECTORS_82598 18
537 #define MAX_Q_VECTORS_82598 16
538
539 struct ixgbe_mac_addr {
540 u8 addr[ETH_ALEN];
541 u16 pool;
542 u16 state; /* bitmask */
543 };
544
545 #define IXGBE_MAC_STATE_DEFAULT 0x1
546 #define IXGBE_MAC_STATE_MODIFIED 0x2
547 #define IXGBE_MAC_STATE_IN_USE 0x4
548
549 #define MAX_Q_VECTORS MAX_Q_VECTORS_82599
550 #define MAX_MSIX_COUNT MAX_MSIX_VECTORS_82599
551
552 #define MIN_MSIX_Q_VECTORS 1
553 #define MIN_MSIX_COUNT (MIN_MSIX_Q_VECTORS + NON_Q_VECTORS)
554
555 /* default to trying for four seconds */
556 #define IXGBE_TRY_LINK_TIMEOUT (4 * HZ)
557 #define IXGBE_SFP_POLL_JIFFIES (2 * HZ) /* SFP poll every 2 seconds */
558
559 /* board specific private data structure */
560 struct ixgbe_adapter {
561 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
562 /* OS defined structs */
563 struct net_device *netdev;
564 struct bpf_prog *xdp_prog;
565 struct pci_dev *pdev;
566 struct mii_bus *mii_bus;
567
568 unsigned long state;
569
570 /* Some features need tri-state capability,
571 * thus the additional *_CAPABLE flags.
572 */
573 u32 flags;
574 #define IXGBE_FLAG_MSI_ENABLED BIT(1)
575 #define IXGBE_FLAG_MSIX_ENABLED BIT(3)
576 #define IXGBE_FLAG_RX_1BUF_CAPABLE BIT(4)
577 #define IXGBE_FLAG_RX_PS_CAPABLE BIT(5)
578 #define IXGBE_FLAG_RX_PS_ENABLED BIT(6)
579 #define IXGBE_FLAG_DCA_ENABLED BIT(8)
580 #define IXGBE_FLAG_DCA_CAPABLE BIT(9)
581 #define IXGBE_FLAG_IMIR_ENABLED BIT(10)
582 #define IXGBE_FLAG_MQ_CAPABLE BIT(11)
583 #define IXGBE_FLAG_DCB_ENABLED BIT(12)
584 #define IXGBE_FLAG_VMDQ_CAPABLE BIT(13)
585 #define IXGBE_FLAG_VMDQ_ENABLED BIT(14)
586 #define IXGBE_FLAG_FAN_FAIL_CAPABLE BIT(15)
587 #define IXGBE_FLAG_NEED_LINK_UPDATE BIT(16)
588 #define IXGBE_FLAG_NEED_LINK_CONFIG BIT(17)
589 #define IXGBE_FLAG_FDIR_HASH_CAPABLE BIT(18)
590 #define IXGBE_FLAG_FDIR_PERFECT_CAPABLE BIT(19)
591 #define IXGBE_FLAG_FCOE_CAPABLE BIT(20)
592 #define IXGBE_FLAG_FCOE_ENABLED BIT(21)
593 #define IXGBE_FLAG_SRIOV_CAPABLE BIT(22)
594 #define IXGBE_FLAG_SRIOV_ENABLED BIT(23)
595 #define IXGBE_FLAG_RX_HWTSTAMP_ENABLED BIT(25)
596 #define IXGBE_FLAG_RX_HWTSTAMP_IN_REGISTER BIT(26)
597 #define IXGBE_FLAG_DCB_CAPABLE BIT(27)
598
599 u32 flags2;
600 #define IXGBE_FLAG2_RSC_CAPABLE BIT(0)
601 #define IXGBE_FLAG2_RSC_ENABLED BIT(1)
602 #define IXGBE_FLAG2_TEMP_SENSOR_CAPABLE BIT(2)
603 #define IXGBE_FLAG2_TEMP_SENSOR_EVENT BIT(3)
604 #define IXGBE_FLAG2_SEARCH_FOR_SFP BIT(4)
605 #define IXGBE_FLAG2_SFP_NEEDS_RESET BIT(5)
606 #define IXGBE_FLAG2_FDIR_REQUIRES_REINIT BIT(7)
607 #define IXGBE_FLAG2_RSS_FIELD_IPV4_UDP BIT(8)
608 #define IXGBE_FLAG2_RSS_FIELD_IPV6_UDP BIT(9)
609 #define IXGBE_FLAG2_PTP_PPS_ENABLED BIT(10)
610 #define IXGBE_FLAG2_PHY_INTERRUPT BIT(11)
611 #define IXGBE_FLAG2_VLAN_PROMISC BIT(13)
612 #define IXGBE_FLAG2_EEE_CAPABLE BIT(14)
613 #define IXGBE_FLAG2_EEE_ENABLED BIT(15)
614 #define IXGBE_FLAG2_RX_LEGACY BIT(16)
615 #define IXGBE_FLAG2_IPSEC_ENABLED BIT(17)
616 #define IXGBE_FLAG2_VF_IPSEC_ENABLED BIT(18)
617
618 /* Tx fast path data */
619 int num_tx_queues;
620 u16 tx_itr_setting;
621 u16 tx_work_limit;
622 u64 tx_ipsec;
623
624 /* Rx fast path data */
625 int num_rx_queues;
626 u16 rx_itr_setting;
627 u64 rx_ipsec;
628
629 /* Port number used to identify VXLAN traffic */
630 __be16 vxlan_port;
631 __be16 geneve_port;
632
633 /* XDP */
634 int num_xdp_queues;
635 struct ixgbe_ring *xdp_ring[IXGBE_MAX_XDP_QS];
636 unsigned long *af_xdp_zc_qps; /* tracks AF_XDP ZC enabled rings */
637
638 /* TX */
639 struct ixgbe_ring *tx_ring[MAX_TX_QUEUES] ____cacheline_aligned_in_smp;
640
641 u64 restart_queue;
642 u64 lsc_int;
643 u32 tx_timeout_count;
644
645 /* RX */
646 struct ixgbe_ring *rx_ring[MAX_RX_QUEUES];
647 int num_rx_pools; /* == num_rx_queues in 82598 */
648 int num_rx_queues_per_pool; /* 1 if 82598, can be many if 82599 */
649 u64 hw_csum_rx_error;
650 u64 hw_rx_no_dma_resources;
651 u64 rsc_total_count;
652 u64 rsc_total_flush;
653 u64 non_eop_descs;
654 u32 alloc_rx_page;
655 u32 alloc_rx_page_failed;
656 u32 alloc_rx_buff_failed;
657
658 struct ixgbe_q_vector *q_vector[MAX_Q_VECTORS];
659
660 /* DCB parameters */
661 struct ieee_pfc *ixgbe_ieee_pfc;
662 struct ieee_ets *ixgbe_ieee_ets;
663 struct ixgbe_dcb_config dcb_cfg;
664 struct ixgbe_dcb_config temp_dcb_cfg;
665 u8 hw_tcs;
666 u8 dcb_set_bitmap;
667 u8 dcbx_cap;
668 enum ixgbe_fc_mode last_lfc_mode;
669
670 int num_q_vectors; /* current number of q_vectors for device */
671 int max_q_vectors; /* true count of q_vectors for device */
672 struct ixgbe_ring_feature ring_feature[RING_F_ARRAY_SIZE];
673 struct msix_entry *msix_entries;
674
675 u32 test_icr;
676 struct ixgbe_ring test_tx_ring;
677 struct ixgbe_ring test_rx_ring;
678
679 /* structs defined in ixgbe_hw.h */
680 struct ixgbe_hw hw;
681 u16 msg_enable;
682 struct ixgbe_hw_stats stats;
683
684 u64 tx_busy;
685 unsigned int tx_ring_count;
686 unsigned int xdp_ring_count;
687 unsigned int rx_ring_count;
688
689 u32 link_speed;
690 bool link_up;
691 unsigned long sfp_poll_time;
692 unsigned long link_check_timeout;
693
694 struct timer_list service_timer;
695 struct work_struct service_task;
696
697 struct hlist_head fdir_filter_list;
698 unsigned long fdir_overflow; /* number of times ATR was backed off */
699 union ixgbe_atr_input fdir_mask;
700 int fdir_filter_count;
701 u32 fdir_pballoc;
702 u32 atr_sample_rate;
703 spinlock_t fdir_perfect_lock;
704
705 #ifdef IXGBE_FCOE
706 struct ixgbe_fcoe fcoe;
707 #endif /* IXGBE_FCOE */
708 u8 __iomem *io_addr; /* Mainly for iounmap use */
709 u32 wol;
710
711 u16 bridge_mode;
712
713 char eeprom_id[NVM_VER_SIZE];
714 u16 eeprom_cap;
715
716 u32 interrupt_event;
717 u32 led_reg;
718
719 struct ptp_clock *ptp_clock;
720 struct ptp_clock_info ptp_caps;
721 struct work_struct ptp_tx_work;
722 struct sk_buff *ptp_tx_skb;
723 struct hwtstamp_config tstamp_config;
724 unsigned long ptp_tx_start;
725 unsigned long last_overflow_check;
726 unsigned long last_rx_ptp_check;
727 unsigned long last_rx_timestamp;
728 spinlock_t tmreg_lock;
729 struct cyclecounter hw_cc;
730 struct timecounter hw_tc;
731 u32 base_incval;
732 u32 tx_hwtstamp_timeouts;
733 u32 tx_hwtstamp_skipped;
734 u32 rx_hwtstamp_cleared;
735 void (*ptp_setup_sdp)(struct ixgbe_adapter *);
736
737 /* SR-IOV */
738 DECLARE_BITMAP(active_vfs, IXGBE_MAX_VF_FUNCTIONS);
739 unsigned int num_vfs;
740 struct vf_data_storage *vfinfo;
741 int vf_rate_link_speed;
742 struct vf_macvlans vf_mvs;
743 struct vf_macvlans *mv_list;
744
745 u32 timer_event_accumulator;
746 u32 vferr_refcount;
747 struct ixgbe_mac_addr *mac_table;
748 struct kobject *info_kobj;
749 #ifdef CONFIG_IXGBE_HWMON
750 struct hwmon_buff *ixgbe_hwmon_buff;
751 #endif /* CONFIG_IXGBE_HWMON */
752 #ifdef CONFIG_DEBUG_FS
753 struct dentry *ixgbe_dbg_adapter;
754 #endif /*CONFIG_DEBUG_FS*/
755
756 u8 default_up;
757 /* Bitmask indicating in use pools */
758 DECLARE_BITMAP(fwd_bitmask, IXGBE_MAX_MACVLANS + 1);
759
760 #define IXGBE_MAX_LINK_HANDLE 10
761 struct ixgbe_jump_table *jump_tables[IXGBE_MAX_LINK_HANDLE];
762 unsigned long tables;
763
764 /* maximum number of RETA entries among all devices supported by ixgbe
765 * driver: currently it's x550 device in non-SRIOV mode
766 */
767 #define IXGBE_MAX_RETA_ENTRIES 512
768 u8 rss_indir_tbl[IXGBE_MAX_RETA_ENTRIES];
769
770 #define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */
771 u32 *rss_key;
772
773 #ifdef CONFIG_IXGBE_IPSEC
774 struct ixgbe_ipsec *ipsec;
775 #endif /* CONFIG_IXGBE_IPSEC */
776 };
777
ixgbe_determine_xdp_q_idx(int cpu)778 static inline int ixgbe_determine_xdp_q_idx(int cpu)
779 {
780 if (static_key_enabled(&ixgbe_xdp_locking_key))
781 return cpu % IXGBE_MAX_XDP_QS;
782 else
783 return cpu;
784 }
785
786 static inline
ixgbe_determine_xdp_ring(struct ixgbe_adapter * adapter)787 struct ixgbe_ring *ixgbe_determine_xdp_ring(struct ixgbe_adapter *adapter)
788 {
789 int index = ixgbe_determine_xdp_q_idx(smp_processor_id());
790
791 return adapter->xdp_ring[index];
792 }
793
ixgbe_max_rss_indices(struct ixgbe_adapter * adapter)794 static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)
795 {
796 switch (adapter->hw.mac.type) {
797 case ixgbe_mac_82598EB:
798 case ixgbe_mac_82599EB:
799 case ixgbe_mac_X540:
800 return IXGBE_MAX_RSS_INDICES;
801 case ixgbe_mac_X550:
802 case ixgbe_mac_X550EM_x:
803 case ixgbe_mac_x550em_a:
804 return IXGBE_MAX_RSS_INDICES_X550;
805 default:
806 return 0;
807 }
808 }
809
810 struct ixgbe_fdir_filter {
811 struct hlist_node fdir_node;
812 union ixgbe_atr_input filter;
813 u16 sw_idx;
814 u64 action;
815 };
816
817 enum ixgbe_state_t {
818 __IXGBE_TESTING,
819 __IXGBE_RESETTING,
820 __IXGBE_DOWN,
821 __IXGBE_DISABLED,
822 __IXGBE_REMOVING,
823 __IXGBE_SERVICE_SCHED,
824 __IXGBE_SERVICE_INITED,
825 __IXGBE_IN_SFP_INIT,
826 __IXGBE_PTP_RUNNING,
827 __IXGBE_PTP_TX_IN_PROGRESS,
828 __IXGBE_RESET_REQUESTED,
829 };
830
831 struct ixgbe_cb {
832 union { /* Union defining head/tail partner */
833 struct sk_buff *head;
834 struct sk_buff *tail;
835 };
836 dma_addr_t dma;
837 u16 append_cnt;
838 bool page_released;
839 };
840 #define IXGBE_CB(skb) ((struct ixgbe_cb *)(skb)->cb)
841
842 enum ixgbe_boards {
843 board_82598,
844 board_82599,
845 board_X540,
846 board_X550,
847 board_X550EM_x,
848 board_x550em_x_fw,
849 board_x550em_a,
850 board_x550em_a_fw,
851 };
852
853 extern const struct ixgbe_info ixgbe_82598_info;
854 extern const struct ixgbe_info ixgbe_82599_info;
855 extern const struct ixgbe_info ixgbe_X540_info;
856 extern const struct ixgbe_info ixgbe_X550_info;
857 extern const struct ixgbe_info ixgbe_X550EM_x_info;
858 extern const struct ixgbe_info ixgbe_x550em_x_fw_info;
859 extern const struct ixgbe_info ixgbe_x550em_a_info;
860 extern const struct ixgbe_info ixgbe_x550em_a_fw_info;
861 #ifdef CONFIG_IXGBE_DCB
862 extern const struct dcbnl_rtnl_ops ixgbe_dcbnl_ops;
863 #endif
864
865 extern char ixgbe_driver_name[];
866 #ifdef IXGBE_FCOE
867 extern char ixgbe_default_device_descr[];
868 #endif /* IXGBE_FCOE */
869
870 int ixgbe_open(struct net_device *netdev);
871 int ixgbe_close(struct net_device *netdev);
872 void ixgbe_up(struct ixgbe_adapter *adapter);
873 void ixgbe_down(struct ixgbe_adapter *adapter);
874 void ixgbe_reinit_locked(struct ixgbe_adapter *adapter);
875 void ixgbe_reset(struct ixgbe_adapter *adapter);
876 void ixgbe_set_ethtool_ops(struct net_device *netdev);
877 int ixgbe_setup_rx_resources(struct ixgbe_adapter *, struct ixgbe_ring *);
878 int ixgbe_setup_tx_resources(struct ixgbe_ring *);
879 void ixgbe_free_rx_resources(struct ixgbe_ring *);
880 void ixgbe_free_tx_resources(struct ixgbe_ring *);
881 void ixgbe_configure_rx_ring(struct ixgbe_adapter *, struct ixgbe_ring *);
882 void ixgbe_configure_tx_ring(struct ixgbe_adapter *, struct ixgbe_ring *);
883 void ixgbe_disable_rx(struct ixgbe_adapter *adapter);
884 void ixgbe_disable_tx(struct ixgbe_adapter *adapter);
885 void ixgbe_update_stats(struct ixgbe_adapter *adapter);
886 int ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter);
887 bool ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id,
888 u16 subdevice_id);
889 #ifdef CONFIG_PCI_IOV
890 void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter);
891 #endif
892 int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter,
893 const u8 *addr, u16 queue);
894 int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter,
895 const u8 *addr, u16 queue);
896 void ixgbe_update_pf_promisc_vlvf(struct ixgbe_adapter *adapter, u32 vid);
897 void ixgbe_clear_interrupt_scheme(struct ixgbe_adapter *adapter);
898 netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *, struct ixgbe_adapter *,
899 struct ixgbe_ring *);
900 void ixgbe_unmap_and_free_tx_resource(struct ixgbe_ring *,
901 struct ixgbe_tx_buffer *);
902 void ixgbe_alloc_rx_buffers(struct ixgbe_ring *, u16);
903 void ixgbe_write_eitr(struct ixgbe_q_vector *);
904 int ixgbe_poll(struct napi_struct *napi, int budget);
905 int ethtool_ioctl(struct ifreq *ifr);
906 s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw);
907 s32 ixgbe_init_fdir_signature_82599(struct ixgbe_hw *hw, u32 fdirctrl);
908 s32 ixgbe_init_fdir_perfect_82599(struct ixgbe_hw *hw, u32 fdirctrl);
909 s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
910 union ixgbe_atr_hash_dword input,
911 union ixgbe_atr_hash_dword common,
912 u8 queue);
913 s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
914 union ixgbe_atr_input *input_mask);
915 s32 ixgbe_fdir_write_perfect_filter_82599(struct ixgbe_hw *hw,
916 union ixgbe_atr_input *input,
917 u16 soft_id, u8 queue);
918 s32 ixgbe_fdir_erase_perfect_filter_82599(struct ixgbe_hw *hw,
919 union ixgbe_atr_input *input,
920 u16 soft_id);
921 void ixgbe_atr_compute_perfect_hash_82599(union ixgbe_atr_input *input,
922 union ixgbe_atr_input *mask);
923 int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
924 struct ixgbe_fdir_filter *input,
925 u16 sw_idx);
926 void ixgbe_set_rx_mode(struct net_device *netdev);
927 #ifdef CONFIG_IXGBE_DCB
928 void ixgbe_set_rx_drop_en(struct ixgbe_adapter *adapter);
929 #endif
930 int ixgbe_setup_tc(struct net_device *dev, u8 tc);
931 void ixgbe_tx_ctxtdesc(struct ixgbe_ring *, u32, u32, u32, u32);
932 void ixgbe_do_reset(struct net_device *netdev);
933 #ifdef CONFIG_IXGBE_HWMON
934 void ixgbe_sysfs_exit(struct ixgbe_adapter *adapter);
935 int ixgbe_sysfs_init(struct ixgbe_adapter *adapter);
936 #endif /* CONFIG_IXGBE_HWMON */
937 #ifdef IXGBE_FCOE
938 void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
939 int ixgbe_fso(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first,
940 u8 *hdr_len);
941 int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
942 union ixgbe_adv_rx_desc *rx_desc, struct sk_buff *skb);
943 int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
944 struct scatterlist *sgl, unsigned int sgc);
945 int ixgbe_fcoe_ddp_target(struct net_device *netdev, u16 xid,
946 struct scatterlist *sgl, unsigned int sgc);
947 int ixgbe_fcoe_ddp_put(struct net_device *netdev, u16 xid);
948 int ixgbe_setup_fcoe_ddp_resources(struct ixgbe_adapter *adapter);
949 void ixgbe_free_fcoe_ddp_resources(struct ixgbe_adapter *adapter);
950 int ixgbe_fcoe_enable(struct net_device *netdev);
951 int ixgbe_fcoe_disable(struct net_device *netdev);
952 #ifdef CONFIG_IXGBE_DCB
953 u8 ixgbe_fcoe_getapp(struct ixgbe_adapter *adapter);
954 u8 ixgbe_fcoe_setapp(struct ixgbe_adapter *adapter, u8 up);
955 #endif /* CONFIG_IXGBE_DCB */
956 int ixgbe_fcoe_get_wwn(struct net_device *netdev, u64 *wwn, int type);
957 int ixgbe_fcoe_get_hbainfo(struct net_device *netdev,
958 struct netdev_fcoe_hbainfo *info);
959 u8 ixgbe_fcoe_get_tc(struct ixgbe_adapter *adapter);
960 #endif /* IXGBE_FCOE */
961 #ifdef CONFIG_DEBUG_FS
962 void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter);
963 void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter);
964 void ixgbe_dbg_init(void);
965 void ixgbe_dbg_exit(void);
966 #else
ixgbe_dbg_adapter_init(struct ixgbe_adapter * adapter)967 static inline void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter) {}
ixgbe_dbg_adapter_exit(struct ixgbe_adapter * adapter)968 static inline void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter) {}
ixgbe_dbg_init(void)969 static inline void ixgbe_dbg_init(void) {}
ixgbe_dbg_exit(void)970 static inline void ixgbe_dbg_exit(void) {}
971 #endif /* CONFIG_DEBUG_FS */
txring_txq(const struct ixgbe_ring * ring)972 static inline struct netdev_queue *txring_txq(const struct ixgbe_ring *ring)
973 {
974 return netdev_get_tx_queue(ring->netdev, ring->queue_index);
975 }
976
977 void ixgbe_ptp_init(struct ixgbe_adapter *adapter);
978 void ixgbe_ptp_suspend(struct ixgbe_adapter *adapter);
979 void ixgbe_ptp_stop(struct ixgbe_adapter *adapter);
980 void ixgbe_ptp_overflow_check(struct ixgbe_adapter *adapter);
981 void ixgbe_ptp_rx_hang(struct ixgbe_adapter *adapter);
982 void ixgbe_ptp_tx_hang(struct ixgbe_adapter *adapter);
983 void ixgbe_ptp_rx_pktstamp(struct ixgbe_q_vector *, struct sk_buff *);
984 void ixgbe_ptp_rx_rgtstamp(struct ixgbe_q_vector *, struct sk_buff *skb);
ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring * rx_ring,union ixgbe_adv_rx_desc * rx_desc,struct sk_buff * skb)985 static inline void ixgbe_ptp_rx_hwtstamp(struct ixgbe_ring *rx_ring,
986 union ixgbe_adv_rx_desc *rx_desc,
987 struct sk_buff *skb)
988 {
989 if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_TSIP))) {
990 ixgbe_ptp_rx_pktstamp(rx_ring->q_vector, skb);
991 return;
992 }
993
994 if (unlikely(!ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS)))
995 return;
996
997 ixgbe_ptp_rx_rgtstamp(rx_ring->q_vector, skb);
998
999 /* Update the last_rx_timestamp timer in order to enable watchdog check
1000 * for error case of latched timestamp on a dropped packet.
1001 */
1002 rx_ring->last_rx_timestamp = jiffies;
1003 }
1004
1005 int ixgbe_ptp_set_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
1006 int ixgbe_ptp_get_ts_config(struct ixgbe_adapter *adapter, struct ifreq *ifr);
1007 void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter);
1008 void ixgbe_ptp_reset(struct ixgbe_adapter *adapter);
1009 void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter);
1010 #ifdef CONFIG_PCI_IOV
1011 void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter);
1012 #endif
1013
1014 netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
1015 struct ixgbe_adapter *adapter,
1016 struct ixgbe_ring *tx_ring);
1017 u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter);
1018 void ixgbe_store_key(struct ixgbe_adapter *adapter);
1019 void ixgbe_store_reta(struct ixgbe_adapter *adapter);
1020 s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
1021 u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm);
1022 #ifdef CONFIG_IXGBE_IPSEC
1023 void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter);
1024 void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter);
1025 void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter);
1026 void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
1027 union ixgbe_adv_rx_desc *rx_desc,
1028 struct sk_buff *skb);
1029 int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first,
1030 struct ixgbe_ipsec_tx_data *itd);
1031 void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter, u32 vf);
1032 int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf);
1033 int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *mbuf, u32 vf);
1034 #else
ixgbe_init_ipsec_offload(struct ixgbe_adapter * adapter)1035 static inline void ixgbe_init_ipsec_offload(struct ixgbe_adapter *adapter) { }
ixgbe_stop_ipsec_offload(struct ixgbe_adapter * adapter)1036 static inline void ixgbe_stop_ipsec_offload(struct ixgbe_adapter *adapter) { }
ixgbe_ipsec_restore(struct ixgbe_adapter * adapter)1037 static inline void ixgbe_ipsec_restore(struct ixgbe_adapter *adapter) { }
ixgbe_ipsec_rx(struct ixgbe_ring * rx_ring,union ixgbe_adv_rx_desc * rx_desc,struct sk_buff * skb)1038 static inline void ixgbe_ipsec_rx(struct ixgbe_ring *rx_ring,
1039 union ixgbe_adv_rx_desc *rx_desc,
1040 struct sk_buff *skb) { }
ixgbe_ipsec_tx(struct ixgbe_ring * tx_ring,struct ixgbe_tx_buffer * first,struct ixgbe_ipsec_tx_data * itd)1041 static inline int ixgbe_ipsec_tx(struct ixgbe_ring *tx_ring,
1042 struct ixgbe_tx_buffer *first,
1043 struct ixgbe_ipsec_tx_data *itd) { return 0; }
ixgbe_ipsec_vf_clear(struct ixgbe_adapter * adapter,u32 vf)1044 static inline void ixgbe_ipsec_vf_clear(struct ixgbe_adapter *adapter,
1045 u32 vf) { }
ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter * adapter,u32 * mbuf,u32 vf)1046 static inline int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter,
1047 u32 *mbuf, u32 vf) { return -EACCES; }
ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter * adapter,u32 * mbuf,u32 vf)1048 static inline int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter,
1049 u32 *mbuf, u32 vf) { return -EACCES; }
1050 #endif /* CONFIG_IXGBE_IPSEC */
1051
ixgbe_enabled_xdp_adapter(struct ixgbe_adapter * adapter)1052 static inline bool ixgbe_enabled_xdp_adapter(struct ixgbe_adapter *adapter)
1053 {
1054 return !!adapter->xdp_prog;
1055 }
1056
1057 #endif /* _IXGBE_H_ */
1058